package com.woniu40.petai_manager.mapper;

import com.woniu40.petai_manager.entity.Attention;
import java.util.List;

public interface AttentionMapper {
    int deleteByPrimaryKey(Integer userId);

    int insert(Attention record);

    Attention selectByPrimaryKey(Integer userId);

    List<Attention> selectAll();

    int updateByPrimaryKey(Attention record);
}